1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.documentlibrary.service.permission;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.security.auth.PrincipalException;
28  import com.liferay.portal.security.permission.ActionKeys;
29  import com.liferay.portal.security.permission.PermissionChecker;
30  import com.liferay.portal.util.PropsValues;
31  import com.liferay.portlet.documentlibrary.model.DLFileEntry;
32  import com.liferay.portlet.documentlibrary.model.DLFolder;
33  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
34  import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
35  
36  /**
37   * <a href="DLFileEntryPermission.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   * @author Charles May
41   */
42  public class DLFileEntryPermission {
43  
44      public static void check(
45              PermissionChecker permissionChecker, long folderId, String name,
46              String actionId)
47          throws PortalException, SystemException {
48  
49          if (!contains(permissionChecker, folderId, name, actionId)) {
50              throw new PrincipalException();
51          }
52      }
53  
54      public static void check(
55              PermissionChecker permissionChecker, DLFileEntry fileEntry,
56              String actionId)
57          throws PortalException, SystemException {
58  
59          if (!contains(permissionChecker, fileEntry, actionId)) {
60              throw new PrincipalException();
61          }
62      }
63  
64      public static boolean contains(
65              PermissionChecker permissionChecker, long folderId, String name,
66              String actionId)
67          throws PortalException, SystemException {
68  
69          DLFileEntry fileEntry = DLFileEntryLocalServiceUtil.getFileEntry(
70              folderId, name);
71  
72          return contains(permissionChecker, fileEntry, actionId);
73      }
74  
75      public static boolean contains(
76              PermissionChecker permissionChecker, DLFileEntry fileEntry,
77              String actionId)
78          throws PortalException, SystemException {
79  
80          DLFolder folder = DLFolderLocalServiceUtil.getFolder(
81              fileEntry.getFolderId());
82  
83          if (PropsValues.PERMISSIONS_VIEW_DYNAMIC_INHERITANCE) {
84              if (!DLFolderPermission.contains(
85                      permissionChecker, folder, ActionKeys.VIEW)) {
86  
87                  return false;
88              }
89          }
90  
91          if (permissionChecker.hasOwnerPermission(
92                  fileEntry.getCompanyId(), DLFileEntry.class.getName(),
93                  fileEntry.getFileEntryId(), fileEntry.getUserId(), actionId)) {
94  
95              return true;
96          }
97  
98          return permissionChecker.hasPermission(
99              fileEntry.getGroupId(), DLFileEntry.class.getName(),
100             fileEntry.getFileEntryId(), actionId);
101     }
102 
103 }